CN113580468B - Production facility convenient to sealing member test - Google Patents
Production facility convenient to sealing member test Download PDFInfo
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- CN113580468B CN113580468B CN202110850773.9A CN202110850773A CN113580468B CN 113580468 B CN113580468 B CN 113580468B CN 202110850773 A CN202110850773 A CN 202110850773A CN 113580468 B CN113580468 B CN 113580468B
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- Prior art keywords
- push rod
- electric push
- frame
- fixed
- top end
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/7686—Measuring, controlling or regulating the ejected articles, e.g. weight control
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses production equipment convenient for testing sealing elements, wherein a pressing hydraulic cylinder penetrates through the top end of a fixed mounting frame, an injection head is connected to the bottom end of the pressing hydraulic cylinder, an injection pipe penetrates through the side end of the injection head, a forming cavity is formed in the position, close to the injection head, of the top end of the fixed mounting frame, one end of the fixed mounting frame is fixedly connected with a pushing electric push rod, a water inlet pipe penetrates through one end of a cooling groove, a water outlet pipe penetrates through one end, far away from the water inlet pipe, of the cooling groove, and the pressing hydraulic cylinder drives the injection head to seal the forming cavity, so that overflow caused by insufficient sealing degree during injection is avoided, the stability of the shape of the sealing element is ensured, the situation that the shape deformation influences the sealing effect is avoided, water circulation is performed through the water inlet pipe and the water outlet pipe through the cooling groove, the situation that overheating is avoided, and the rising electric push rod and the pushing electric push rod are mutually matched, and therefore raw materials are conveniently and rapidly taken out.
Description
Technical Field
The invention relates to the technical field of sealing element manufacture, in particular to production equipment convenient for testing a sealing element.
Background
The sealing member is a material or a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading parts in machine equipment, the storage room temperature of the sealing member is preferably below 30 ℃, the sealing member is prevented from being aged at high temperature, and the rubber-plastic sealing member is small, but the sealing member has the function of being a basic part and a fitting in national economy main industries such as national defense, chemical industry, petroleum, coal, transportation, mechanical manufacturing and the like, and plays a quite important role in national economy development.
However, at present, when the sealing element is produced, the sealing between the molding cavity and the injection head is not tight, so that the condition that the shape of the sealing element is influenced by overflow liquid is easy to appear, the sealing effect of the sealing element is influenced, the cooling speed is low during molding, and the production efficiency is influenced.
Disclosure of Invention
The invention provides production equipment convenient for testing a sealing element, which can effectively solve the problems that in the prior art, when the sealing element is produced, a forming cavity is not tightly sealed with an injection head, so that the shape of the sealing element is easily influenced by overflow liquid, the sealing effect of the sealing element is influenced, the cooling speed is low during forming, and the production efficiency is influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the production equipment convenient for testing the sealing element comprises a fixed supporting frame, wherein a forming assembly is arranged on one side of the fixed supporting frame, and comprises a fixed mounting frame, a pressing hydraulic cylinder, an injection head, a liquid injection pipe, a forming cavity, a pushing plate, an ascending push rod, a pushing electric push rod, a type discharging plate, a cooling tank, a water inlet pipe and a water outlet pipe;
support mount top one side welding has fixed mounting frame, fixed mounting frame top middle part runs through has the pneumatic cylinder that pushes down, the pneumatic cylinder bottom fixedly connected with injection head pushes down, injection head side end symmetry runs through has the liquid injection pipe, fixed support frame top is close to injection head position department and has seted up the shaping chamber, the push plate has been placed in the inboard slip of shaping chamber, push plate bottom and rising electric push rod fixed connection, fixed support frame one end fixedly connected with pushes away material electric push rod, push away material electric push rod one end fixedly connected with type flitch, the cooling tank has been seted up near shaping chamber position department to the fixed support frame inboard, cooling tank one end has run through the inlet tube, the cooling tank is kept away from the one end of inlet tube and has been run through the outlet pipe.
Preferably, the injection head is embedded and installed at the inner side of the forming cavity, and the ascending electric push rod and the pushing electric push rod input end are electrically connected with the external power supply output end.
Preferably, the top end of the liquid injection pipe is installed at one end of the fixed installation frame in a penetrating mode, and the diameter of the pushing plate is equal to that of the forming cavity.
Preferably, the bottom end of the discharging plate is attached to the top end of the fixed supporting frame, and the diameter of the water inlet pipe is equal to that of the water outlet pipe.
Preferably, a detection assembly is arranged on one side of the fixed support frame, and comprises a support fixing frame, an air inlet pipe, an air pressure detection meter, a placing groove, a placing detection box, a limiting electric push rod and an exhaust hole;
the fixed support frame top middle part fixed mounting has the support mount, it has the intake pipe to support the mount top and runs through, the fixed support frame top is close to intake pipe position department embedding and installs the atmospheric pressure and detects the table, the standing groove has been seted up at fixed support frame top middle part, the inboard slip of standing groove has been placed and has been placed the detection box, place detection box bottom and spacing electric push rod top fixed connection, place and detect a plurality of exhaust hole has been seted up to box side equidistance.
Preferably, the air pressure detection meter bottom is placed and is installed in placing the detection box inboard, spacing electricity push rod input and external power source output electric connection.
Preferably, the limiting electric push rod is fixedly arranged at one end of the fixed supporting frame, and the diameter of the placing detection box is equal to that of the placing groove.
Preferably, the longitudinal section of the supporting and fixing frame is , and the top end of the placing detection box is attached to the bottom end of the supporting and fixing frame.
Preferably, the collection port has been seted up to fixed support frame one end, the inboard one end equidistance welding of collection port has fixed joint post, fixed joint post side end joint has the collection box.
Preferably, the collecting box is embedded and installed at the inner side of the collecting opening, and a fixing clamping interface is formed at the position of the collecting box corresponding to the fixing clamping column.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. be provided with shaping subassembly, drive through pushing down the pneumatic cylinder and pour into the head and seal the shaping chamber for can not lead to the condition that appears the overflow because of the leakproofness is not enough when annotating the liquid, thereby guaranteed the stability of sealing member shape, thereby avoid appearance deformation to influence sealed effect's condition, carry out the hydrologic cycle through the cooling tank by inlet tube and outlet pipe, avoid appearing overheated condition, have ascending electric push rod and push away material electric push rod mutually supporting, thereby be convenient for quick take out the raw materials.
2. Be provided with detection component, air feed to inside by the intake pipe, detect inside atmospheric pressure when the air gets into the atmospheric pressure gauge, when sealing member is sealed not enough, gaseous can be discharged through the exhaust hole, promotes by spacing electric push rod and places the detection box to extrude spacingly to the sealing member, avoid appearing not hard up gas leakage's condition, through observing the sealed effect of knowing the sealing member that atmospheric pressure can be quick, guaranteed the detection effect to every sealing member.
3. Be provided with collection mouth, fixed joint post and collection box, carry out spacing joint through fixed joint post and collection mouth to the collection box to avoid the condition that the collection box appears droing when using, and be convenient for quick change and installation, and collect the sealing member fast through the collection box, the staff of being convenient for separates the defective products.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the molding assembly of the present invention;
FIG. 3 is a schematic view of the mounting structure of the hold-down cylinder of the present invention;
FIG. 4 is a schematic view of the installation structure of the cooling tank of the present invention;
FIG. 5 is a schematic structural view of the detection assembly of the present invention;
reference numerals in the drawings: 1. fixing the supporting frame;
2. a molding assembly; 201. a fixed mounting rack; 202. pressing down a hydraulic cylinder; 203. an injection head; 204. a liquid injection pipe; 205. a molding cavity; 206. a pushing plate; 207. raising the electric push rod; 208. pushing the electric push rod; 209. discharge plate; 210. a cooling tank; 211. a water inlet pipe; 212. a water outlet pipe;
3. a detection assembly; 301. a supporting and fixing frame; 302. an air inlet pipe; 303. an air pressure detection meter; 304. a placement groove; 305. placing a detection box; 306. limiting the electric push rod; 307. an exhaust hole;
4. a collection port; 5. fixing the clamping column; 6. and a collection box.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-5, the invention provides a technical scheme, which is a production device convenient for testing a sealing element, and comprises a fixed support frame 1, wherein one side of the fixed support frame 1 is provided with a forming assembly 2, the forming assembly 2 comprises a fixed mounting frame 201, a pressing hydraulic cylinder 202, an injection head 203, a liquid injection pipe 204, a forming cavity 205, a pushing plate 206, an ascending electric push rod 207, a pushing electric push rod 208, a type discharging plate 209, a cooling groove 210, a water inlet pipe 211 and a water outlet pipe 212;
a fixed mounting frame 201 is welded on one side of the top end of the fixed supporting frame 1, a pressing hydraulic cylinder 202 is penetrated in the middle of the top end of the fixed mounting frame 201, an injection head 203 is fixedly connected with the bottom end of the pressing hydraulic cylinder 202, a liquid injection pipe 204 is symmetrically penetrated at the side end of the injection head 203, the top end of the liquid injection pipe 204 is penetrated and arranged at one end of the fixed mounting frame 201, the condition that a pipeline cannot bend in the use process is ensured, a forming cavity 205 is arranged at the position of the top end of the fixed supporting frame 1 close to the injection head 203, the injection head 203 is embedded and arranged on the inner side of the forming cavity 205, raw materials can be stably input in the injection forming process, a pushing plate 206 is slidably arranged on the inner side of the forming cavity 205, the diameter of the pushing plate 206 is equal to that of the forming cavity 205, stable discharging is facilitated, the bottom end of the pushing plate 206 is fixedly connected with an ascending push rod 207, fixed bolster 1 one end fixedly connected with pushes away material electricity push rod 208, push away material electricity push rod 208 one end fixedly connected with type flitch 209, type flitch 209 bottom is laminated with fixed bolster 1 top for can stabilize the output when the ejection of compact, fixed bolster 1 inboard has seted up cooling tank 210 near forming cavity 205 position department, cooling tank 210 one end runs through has inlet tube 211, inlet tube 211 diameter equals with outlet tube 212 diameter, guaranteed the stability of rivers, cooling tank 210 keeps away from the one end of inlet tube 211 and runs through has outlet tube 212, rise electric push rod 207 and push away material electricity push rod 208 input all with external power output electric connection, rise electric push rod 207's model is LX-700, push away material electricity push rod 208's model is HTA-2500.
One side of the fixed support frame 1 is provided with a detection assembly 3, and the detection assembly 3 comprises a support fixing frame 301, an air inlet pipe 302, an air pressure detection meter 303, a placing groove 304, a placing detection box 305, a limiting electric push rod 306 and an air exhaust hole 307;
the fixed support frame 1 top middle part fixed mounting has the support mount 301, it has intake pipe 302 to support the mount 301 top and runs through, it is close to intake pipe 302 position department embedding and installs atmospheric pressure detection table 303 to support mount 301 top, the atmospheric pressure detection table 303 bottom is placed and is installed in placing the detection box 305 inboard, the stability of detection has been guaranteed, standing groove 304 has been seted up at fixed support frame 1 top middle part, standing groove 304 inboard has slided and has been placed and have detected box 305, the longitudinal section of support mount 301 is type, it laminates with supporting mount 301 bottom to place detection box 305 top, the degree of tightness of extrusion when having guaranteed to detect, place detection box 305 bottom and spacing electric putter 306 top fixed connection, spacing electric putter 306 fixed mounting is in fixed support frame 1 one end, place detection box 305 diameter and standing groove 304 diameter are equal, a plurality of exhaust hole 307 has been seted up to the equidistance of detection box 305 side in the output that can be quick stable when the ejection of compact, spacing electric putter 306 input and external power source output end electric connection, the model HTA-2500 of spacing electric putter 306.
The collection mouth 4 has been seted up to fixed support frame 1 one end, and the inboard one end equidistance welding of collection mouth 4 has fixed joint post 5, and fixed joint post 5 side end joint has collection box 6, and collection box 6 embedding is installed in collection mouth 4 inboardly, and fixed joint mouth has been seted up to collection box 6 corresponding fixed joint post 5 positions department, the quick installation and the change of being convenient for.
The working principle and the using flow of the invention are as follows: when a sealing element is required to be manufactured, the injection head 203 is driven by the pressing hydraulic cylinder 202 to be pressed down to the inner side of the forming cavity 205, raw materials are input through the liquid injection pipe 204, after the raw materials enter the inner side of the forming cavity 205, water is supplied to the cooling tank 210 through the water inlet pipe 211 and circulated through the water outlet pipe 212, so that the inner side of the forming cavity 205 is rapidly cooled, the injection head 203 is driven by the pressing hydraulic cylinder 202 to seal the forming cavity 205, the situation that overflow liquid is caused due to insufficient sealing degree in liquid injection is avoided, the stability of the shape of the sealing element is ensured, the situation that the shape deformation influences the sealing effect is avoided, after the forming is finished, the lifting electric push rod 207 drives the pushing plate 206 to lift, the pressing hydraulic cylinder 202 drives the injection head 203 to reset, and therefore the sealing element is conveniently and rapidly taken out, after the sealing element is pushed out to the inner side of the forming cavity 205, the type discharging plate 209 is driven by the pushing electric push rod 208 to slide, the sealing element is pushed to the inner side of the placing detection box 305, the raw materials are conveniently and rapidly taken out, and the next step is carried out;
after sealing elements enter the inner side of the placement detection box 305, the placement detection box 305 is driven to the bottom end of the support fixing frame 301 by the limiting electric push rod 306, the air is supplied to the inside by the air inlet pipe 302, the air pressure detection meter 303 detects the air pressure inside when the air enters, when the sealing elements are not sealed enough, the air can be discharged through the air outlet 307, the sealing effect of the sealing elements can be quickly known through the air pressure observation, the detection effect of each sealing element is guaranteed, the staff can quickly and intuitively know the actual condition of the sealing elements, after the detection is completed, the placement detection box 305 is driven to reset by the limiting electric push rod 306, the staff places the sealing elements with good effect into the collection box 6, so that the sealing elements are quickly collected, the collection box 6 is prevented from falling off during use, and the quick replacement and installation are convenient.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Production facility convenient to sealing member test, including fixed support frame (1), its characterized in that: a forming assembly (2) is arranged on one side of the fixed support frame (1), and the forming assembly (2) comprises a fixed mounting frame (201), a pressing hydraulic cylinder (202), an injection head (203), a liquid injection pipe (204), a forming cavity (205), a pushing plate (206), an ascending push rod (207), a pushing electric push rod (208), a type discharging plate (209), a cooling tank (210), a water inlet pipe (211) and a water outlet pipe (212);
the novel plastic injection device is characterized in that a fixed mounting frame (201) is welded on one side of the top end of the fixed supporting frame (1), a pressing hydraulic cylinder (202) is penetrated in the middle of the top end of the fixed mounting frame (201), an injection head (203) is fixedly connected to the bottom end of the pressing hydraulic cylinder (202), liquid injection pipes (204) are symmetrically penetrated through the side ends of the injection heads (203), a forming cavity (205) is formed in the position, close to the injection heads (203), of the top end of the fixed supporting frame (1), a pushing plate (206) is slidingly placed on the inner side of the forming cavity (205), the bottom end of the pushing plate (206) is fixedly connected with an ascending push rod (207), a pushing electric push rod (208) is fixedly connected to one end of the fixed supporting frame (1), a type discharging plate (209) is fixedly connected to one end of the pushing electric push rod (208), a cooling groove (210) is formed in the position, close to the forming cavity (205), one end of the cooling groove (210) penetrates through a water inlet pipe (211), and one end, far from the water inlet pipe (211), of the cooling groove (210) penetrates through a water outlet pipe (212).
A detection assembly (3) is arranged on one side of the fixed support frame (1), and the detection assembly (3) comprises a support fixing frame (301), an air inlet pipe (302), an air pressure detection meter (303), a placing groove (304), a placing detection box (305), a limiting electric push rod (306) and an exhaust hole (307);
the air pressure detection device is characterized in that a support fixing frame (301) is fixedly arranged in the middle of the top end of the fixed support frame (1), an air inlet pipe (302) penetrates through the top end of the support fixing frame (301), an air pressure detection meter (303) is embedded and arranged at the position, close to the air inlet pipe (302), of the top end of the support fixing frame (301), a placing groove (304) is formed in the middle of the top end of the fixed support frame (1), a placing detection box (305) is placed on the inner side of the placing groove (304) in a sliding mode, the bottom end of the placing detection box (305) is fixedly connected with the top end of a limiting electric push rod (306), and a plurality of exhaust holes (307) are formed in the side end of the placing detection box (305) at equal intervals;
the collecting port (4) is formed in one end of the fixed supporting frame (1), fixed clamping columns (5) are welded at one end of the inner side of the collecting port (4) at equal intervals, and collecting boxes (6) are clamped at the side ends of the fixed clamping columns (5).
2. The production equipment for facilitating sealing member testing according to claim 1, wherein the injection head (203) is embedded and installed inside the forming cavity (205), and the input ends of the ascending push rod (207) and the pushing push rod (208) are electrically connected with the output end of an external power supply.
3. The production equipment for facilitating sealing element testing according to claim 1, wherein the top end of the liquid injection pipe (204) is installed at one end of the fixed installation frame (201) in a penetrating mode, and the diameter of the pushing plate (206) is equal to that of the forming cavity (205).
4. The production equipment convenient for testing sealing elements according to claim 1, wherein the bottom end of the discharging plate (209) is attached to the top end of the fixed supporting frame (1), and the diameter of the water inlet pipe (211) is equal to that of the water outlet pipe (212).
5. The production equipment convenient for testing sealing elements according to claim 1, wherein the bottom end of the air pressure detection meter (303) is placed and installed inside the placement detection box (305), and the input end of the limiting electric push rod (306) is electrically connected with the output end of an external power supply.
6. The production equipment for facilitating sealing element testing according to claim 1, wherein the limiting electric push rod (306) is fixedly arranged at one end of the fixed supporting frame (1), and the diameter of the placement detection box (305) is equal to that of the placement groove (304).
7. The production equipment for facilitating sealing element testing according to claim 1, wherein the longitudinal section of the supporting and fixing frame (301) is , and the top end of the placement detection box (305) is attached to the bottom end of the supporting and fixing frame (301).
8. The production equipment convenient for testing sealing elements according to claim 1, wherein the collecting box (6) is embedded and installed inside the collecting opening (4), and a fixing clamping interface is formed in the position of the collecting box (6) corresponding to the fixing clamping column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850773.9A CN113580468B (en) | 2021-07-27 | 2021-07-27 | Production facility convenient to sealing member test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850773.9A CN113580468B (en) | 2021-07-27 | 2021-07-27 | Production facility convenient to sealing member test |
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| CN113580468A CN113580468A (en) | 2021-11-02 |
| CN113580468B true CN113580468B (en) | 2023-08-04 |
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| CN112060449A (en) * | 2020-07-25 | 2020-12-11 | 湖南橡塑密封件厂有限公司 | Sealing member production mould for petrochemical |
| CN212263854U (en) * | 2020-09-17 | 2021-01-01 | 安平县光明金属制品有限公司 | Wave screen cloth preparation facilities |
| CN112356386A (en) * | 2020-10-19 | 2021-02-12 | 浙江凯邦鞋业有限公司 | Rubber shoe injection mold |
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